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Beginning in January 2017, ATSDR will begin to take steps to streamline our website. As a result, Public Health Assessments (PHAs) and Health Consultations (HCs) preceding 2004 will no longer be available on our website. A list of documents that have been removed can be found in the "Archive documents" pdf below. To access PHAs and HCs published before October 1, 2004, please send a request to the ATSDR Records Center by phone: 770-488-0707 or email: ATSDRRecordsCenter@cdc.gov. We apologize for any inconvenience.